/*
 * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package com.oracle.max.vma.tools.qa.queries;

import java.util.*;

import com.oracle.max.vma.tools.qa.*;

/**
 * Iterates over all the {@link ObjectRecord objects} and places then on a list associated with a map of threads.
 */

public class DataByThreadQueryHelper  {
    public static Map<String, ArrayList<ObjectRecord>> getObjectsByThread(TraceRun traceRun) {
        Iterator<ObjectRecord> iter = traceRun.objects.values().iterator();
        Map<String, ArrayList<ObjectRecord>> threadMap = new HashMap<String, ArrayList<ObjectRecord>>();
        while (iter.hasNext()) {
            ObjectRecord td = iter.next();
            String threadId = td.thread.getName();
            ArrayList<ObjectRecord> thObjects = threadMap.get(threadId);
            if (thObjects == null) {
                thObjects = new ArrayList<ObjectRecord>();
                threadMap.put(threadId, thObjects);
            }
            thObjects.add(td);
        }
        return threadMap;
    }
}
